BIRDS MAMMALS

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Across
  1. 2. what on the wings make them fly
  2. 3. what do they digest with
  3. 7. what type of blood we have
  4. 8. how many legs do they have
  5. 10. main way mammals travel
Down
  1. 1. First dinosaur fossil ever found
  2. 4. what do Monotremes have there baby's
  3. 5. bone to eat structures
  4. 6. what's there body structure
  5. 9. main way bird travel